CVE-2026-47856

MediumCVSS 6.3/10Last modified Sep 4, 2026

Description

Spring Integration's JSON to object conversion uses the json__TypeId__ header to choose the deserialization target type, and resolves that header value to a class with ClassUtils.forName and no type/package allow-list. Spring Integration 7.1.0 Spring Integration 7.0.0 - 7.0.5 Spring Integration 6.5.0 - 6.5.10 Spring Integration 6.4.0 - 6.4.12 Spring Integration 5.5.21 and earlier

Metrics

CVSS 3.1 6.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
Spring	Spring Integration	7.1.0; >= 7.0.0, <= 7.0.5; >= 6.5.0, <= 6.5.10; >= 6.4.0, <= 6.4.12; <= 5.5.21

References

https://spring.io/security/cve-2026-47856Vendor Advisory

Timeline

Published: Aug 27, 2026
Last modified: Sep 4, 2026
NVD status: Analyzed

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